Connecticut 2013-14 Flu Season Wk 44-02

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http://www.ct.gov/dph/cwp/view.asp?a=3136&q=410788

Week 44, ending Nov. 2, 2013

Influenza activity is beginning to increase in Connecticut and has been classified geographically as ?sporadic.?

* Statewide emergency department visits attributed to the ?fever/flu syndrome? remain below 4% statewide (Figure 1); 5% is generally considered the minimum threshold when there is increased influenza-associated ED visits.

* The percentage of outpatient visits with influenza-like illness (ILI) have been increasing during the last two weeks to a level but remains below 1% statewide, considered the baseline when there is increased influenza-associated visits in the outpatient setting.

* The percentage of unscheduled hospital admissions due to pneumonia has remained at or below a level of 4% statewide.

* Hospitalized patients with laboratory-confirmed influenza are beginning to be reported, with a current season total of 12. No influenza-associated deaths have been reported to the DPH during this current flu season. A total of 11 hospitalizations are associated with Type A influenza and 1 with Type B.

* A total of 30 positive influenza reports have been reported for the current season. Influenza was reported in residents of 7 of 8 Connecticut counties: New Haven (8 reports), Fairfield (7), New London (6), Windham (3), Litchfield (2), Hartford (2), Middlesex (2), and Tolland (none reported). Of the 30 positive influenza reports: 2 were Type A (2009 H1N1), 1 was Type A (H3N2), 22 Type A (subtype unspecified), 3 influenza B viruses, and 2 of unknown type.

http://www.ct.gov/dph/lib/dph/infectious_diseases/flu/stats/2013_2014_fluseasonsummary.pdf

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Re: Connecticut 2013-2014 Influenza Season Wk 44

Week 46, ending Nov 16

Influenza activity is beginning to increase and has been classified as ?sporadic.?

* Statewide emergency department visits attributed to the ?fever/flu syndrome? have increased, but remain below 5% statewide; 5% is generally considered the minimum threshold when there is increased influenza-associated ED visits.

* The percentage of outpatient visits with influenza-like illness (ILI) has been generally increasing during the last six weeks to a level of 0.5%, but it remains below 1% statewide; 1% is generally considered the baseline when there are increased influenza-associated visits in the outpatient setting.

* The percentage of unscheduled hospital admissions due to pneumonia has remained at or below a level of 4% statewide.

* A total of 15 hospitalized patients with laboratory-confirmed influenza have been reported. One influenza-associated death in an individual greater than 50 years of age has been reported. One hospitalization was associated with Type A (H3N2) influenza, 13 with Type A (subtype unspecified), and 1 with Type B.

* A total of 47 positive influenza reports have been reported for the current season. Influenza was reported in residents of 7 of 8 Connecticut counties: Fairfield (13 reports), New Haven (10), New London (9), Hartford (6), Windham (4), Middlesex (3), Litchfield (2), and Tolland (none reported). Of the 47 positive influenza reports: 5 were Type A (2009 H1N1), 3 were Type A (H3N2), 31 Type A (subtype unspecified), 6 influenza B viruses, and 2 of unknown type.

http://www.ct.gov/dph/lib/dph/infectious_diseases/flu/stats/2013_2014_fluseasonsummary.pdf

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Re: Connecticut 2013-14 Influenza Season Wk 44-47

Week 47, ending Nov 23

Influenza activity is beginning to increase in Connecticut and has been classified geographically as ?sporadic.?

? Statewide emergency department visits attributed to the ?fever/flu syndrome? have remained below 5% statewide, generally considered the minimum threshold when there is increased influenza-associated ED visits.

? The percentage of outpatient visits with influenza-like illness (ILI) has been generally increasing during the last seven weeks to a level above 0.6%, but it remains below 1% statewide; 1% is generally considered the baseline when there are increased influenza-associated visits in the outpatient setting.

? The percentage of unscheduled hospital admissions due to pneumonia has remained at or below a level of 4% statewide.

? A total of 16 hospitalized patients with laboratory-confirmed influenza have been reported. One influenza-associated death in an individual greater than 50 years of age has been reported. One hospitalization was associated with Type A (H3N2) influenza, 14 with Type A (subtype unspecified), and 1 with Type B.

? A total of 57 positive influenza reports have been reported for the current season. Influenza was reported in residents of 7 of 8 Connecticut counties: Fairfield (16 reports), New Haven (12), New London (11), Hartford (7), Windham (5), Middlesex (4), Litchfield (2), and Tolland (none reported). Of the 57 positive influenza reports: 7 were Type A (2009 H1N1), 4 were Type A (H3N2), 38 Type A (subtype unspecified), 6 influenza B viruses, and 2 of unknown type.

http://www.ct.gov/dph/cwp/view.asp?a=3136&q=410788

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Re: Connecticut 2013-14 Influenza Season Wk 44-48

Week 48, ending Nov 30

Influenza activity is beginning to increase in Connecticut and has been classified geographically as ?sporadic.?

? Statewide emergency department visits attributed to the ?fever/flu syndrome? have remained below 5% statewide, generally considered the minimum threshold when there is increased influenza-associated ED visits.

? The percentage of outpatient visits with influenza-like illness (ILI) has been generally increasing during the last eight weeks to a level above 0.6%, but it remains below 1% statewide; 1% is generally considered the baseline when there are increased influenza-associated visits in the outpatient setting.

? The percentage of unscheduled hospital admissions due to pneumonia has increased during the last two weeks to a level above 4% statewide.

? A total of 21 hospitalized patients with laboratory-confirmed influenza have been reported. One influenza-associated death in an individual greater than 50 years of age has been reported. One hospitalization was associated with Type A (H3N2) influenza, 19 with Type A (subtype unspecified), and 1 with Type B.

? A total of 73 positive influenza reports have been reported for the current season. Influenza was reported in residents of 7 of 8 Connecticut counties: Fairfield (26 reports), New Haven (14), New London (12), Hartford (8), Windham (6), Middlesex (4), Litchfield (3), and Tolland (none reported). Of the 73 positive influenza reports: 8 were Type A (2009 H1N1), 4 were Type A (H3N2), 52 Type A (subtype unspecified), 7 influenza B viruses, and 2 of unknown type.

http://www.ct.gov/dph/lib/dph/infectious_diseases/flu/stats/2013_2014_fluseasonsummary.pdf

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Re: Connecticut 2013-14 Influenza Season Wk 44-49

Week 49, ending Dec 7

Influenza Activity: Local

? Statewide emergency department visits attributed to the ?fever/flu syndrome? are increasing but remain below 5% statewide, generally considered the minimum threshold when there is increased influenza-associated ED visits.

? The percentage of outpatient visits with influenza-like illness (ILI) has been generally increasing during the last eleven weeks to a level above 0.8%, but it remains below 1% statewide; 1% is generally considered the baseline when there are increased influenza-associated visits in the outpatient setting.

? The percentage of unscheduled hospital admissions due to pneumonia had increased during the previous two weeks and remains at a level above 4% statewide.

? A total of 32 hospitalized patients with laboratory-confirmed influenza have been reported. One influenza-associated death in an individual greater than 50 years of age has been reported. Three hospitalizations were associated with Type A (H3N2) influenza, 1 with Type A (2009 H1N1), 27 with Type A (subtype unspecified), and 1 with Type B influenza.

? A total of 140 positive influenza reports have been reported for the current season. Influenza was reported in residents of all 8 Connecticut counties: Fairfield (60 reports), New Haven (29), Windham (20), New London (14), Hartford (9), Middlesex (4), Litchfield (3), and Tolland (1 reported). Of the 140 positive influenza reports: 34 were Type A (2009 H1N1), 9 were Type A (H3N2), 85 Type A (subtype unspecified), 7 influenza B viruses, and 5 of unknown type.

http://www.ct.gov/dph/lib/dph/infectious_diseases/flu/stats/2013_2014_fluseasonsummary.pdf

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Re: Connecticut 2013-14 Influenza Season Wk 44-50

Week 50, ending Dec 14

Influenza activity is continuing to increase in Connecticut and has been classified geographically as ?local.?

? Statewide emergency department visits attributed to the ?fever/flu syndrome? are increasing but remain below 5% statewide, generally considered the minimum threshold when there is increased influenza-associated ED visits.

? The percentage of outpatient visits with influenza-like illness (ILI) has been generally increasing during the last twelve weeks to a level above 0.9%, but it remains just below 1% statewide; 1% is generally considered the baseline when there are increased influenza-associated visits in the outpatient setting.

? The percentage of unscheduled hospital admissions due to pneumonia has decreased during the previous two weeks but remains at a level above 4% statewide.

? A total of 45 hospitalized patients with laboratory-confirmed influenza have been reported. One influenza-associated death in an individual greater than 50 years of age has been reported. Six hospitalizations were associated with Type A (2009 H1N1) influenza, 3 with Type A (H3N2), 35 with Type A (subtype unspecified), and 1 with Type B influenza.

? A total of 199 positive influenza reports have been reported for the current season. Influenza was reported in residents of all 8 Connecticut counties: Fairfield (73 reports), New Haven (38), Hartford (32), Windham (22), New London (18), Litchfield (6), Middlesex (5), and Tolland (5 reported). Of the 199 positive influenza reports: 46 were Type A (2009 H1N1), 9 were Type A (H3N2), 128 Type A (subtype unspecified), 8 influenza B viruses, and 8 of unknown type.

http://www.ct.gov/dph/lib/dph/infectious_diseases/flu/stats/2013_2014_fluseasonsummary.pdf

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Re: Connecticut 2013-14 Influenza Season Wk 44-51

Week 51, ending Dec 23

Influenza activity is continuing to increase in and has been classified as ?regional.?

? Statewide emergency department visits attributed to the ?fever/flu syndrome? are increasing and now exceed 5% statewide; generally considered the minimum threshold when there is increased influenza-associated ED visits.

? The percentage of outpatient visits with influenza-like illness (ILI) has been generally increasing during the last thirteen weeks to a level above 1% statewide; generally considered the baseline when there are increased influenza-associated visits in the outpatient setting.

? The percentage of unscheduled hospital admissions due to pneumonia has remained at a level above 4% statewide during the last several weeks.

? A total of 58 hospitalized patients with laboratory-confirmed influenza have been reported. One influenza-associated death in an individual greater than 50 years of age has been reported. Nine hospitalizations were associated with Type A (2009 H1N1) influenza, 3 with Type A (H3N2), 44 with Type A (subtype unspecified), and 2 with Type B influenza.

? A total of 285 positive influenza reports have been reported for the current season. Influenza was reported in residents of all 8 Connecticut counties: Fairfield (105 reports), New Haven (53), Hartford (48), Windham (32), New London (23), Litchfield (10), Middlesex (7), and Tolland (7 reported). Of the 285 positive influenza reports: 69 were Type A (2009 H1N1), 12 were Type A (H3N2), 181 Type A (subtype unspecified), 12 influenza B viruses, and 11 of unknown type.

http://www.ct.gov/dph/lib/dph/infectious_diseases/flu/stats/2013_2014_fluseasonsummary.pdf

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Re: Connecticut 2013-14 Influenza Season Wk 44-52

Week 52, ending Dec 28

Influenza activity is continuing to increase in Connecticut and has been classified geographically as ?widespread.?

? Statewide emergency department visits attributed to the ?fever/flu syndrome? are increasing and now exceed 5% statewide; generally considered the minimum threshold when there is increased influenza-associated ED visits.

? The percentage of outpatient visits with influenza-like illness (ILI) has been generally increasing during the last fourteen weeks to a level above 1% statewide; generally considered the baseline when there are increased influenza-associated visits in the outpatient setting.

? The percentage of unscheduled hospital admissions due to pneumonia has remained at a level above 4% statewide during the last five weeks.

? A total of 77 hospitalized patients with laboratory-confirmed influenza have been reported. One influenza-associated death in an individual greater than 50 years of age has been reported. A total of 18 hospitalizations were associated with Type A (2009 H1N1) influenza, 3 with Type A (H3N2), 54 with Type A (subtype unspecified), and 2 with Type B influenza.

?A total of 444 positive influenza reports have been reported for the current season. Influenza was reported in residents of all 8 Connecticut counties: Fairfield (167 reports), New Haven (87), Hartford (74), Windham (43), New London (37), Litchfield (14), Tolland (12), and Middlesex (10 reported). Of the 444 positive influenza reports: 109 were Type A (2009 H1N1), 12 were Type A (H3N2), 286 Type A (subtype unspecified), 12 influenza B viruses, and 25 of unknown type.

http://www.ct.gov/dph/lib/dph/infectious_diseases/flu/stats/2013_2014_fluseasonsummary.pdf

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Re: Connecticut 2013-14 Flu Season Wk 44-02

Wk 02, ending Jan 11

3 influenza-associated deaths in individuals greater than 45 years of age have been reported.

A total of 218 hospitalized patients with laboratory-confirmed influenza have been reported. A total of 54 hospitalizations were associated with Type A (2009 H1N1) influenza, 3 with Type A (H3N2), 154 with Type A (subtype unspecified), 6 with Type B influenza, and 1 of unknown type (Figure 4).

? Statewide emergency department visits attributed to the ?fever/flu syndrome? have exceeded 5% statewide during the last four weeks; generally considered the minimum threshold when there is increased influenza-associated ED visits (Figure 1).
? The percentage of outpatient visits with influenza-like illness (ILI) has been generally increasing during the last sixteen weeks to a level above 1% statewide; generally considered the baseline when there are increased influenza-associated visits in the outpatient setting (Figure 2).
? The percentage of unscheduled hospital admissions due to pneumonia has remained at a level above 4% statewide during the last seven weeks (Figure 3).
? A total of 1,029 positive influenza reports have been reported for the current season. Influenza was reported in residents of all 8 Connecticut counties: Fairfield (342 reports), New Haven (235), Hartford (202), Windham (106), New London (61), Middlesex (32), Litchfield (28), and Tolland (23 reported). Of the 1,029 positive influenza reports: 284 were Type A (2009 H1N1), 27 were Type A (H3N2), 630 Type A (subtype unspecified), 22 influenza B viruses, and 66 of unknown type (Figure 5).

http://www.ct.gov/dph/lib/dph/infectious_diseases/flu/stats/2013_2014_fluseasonsummary.pdf